Tiny Needles Treat Eye Disease

Glaucoma is marked by increased pressure in the eye caused by an over-production of fluid. While it can be controlled with daily eye drops that either reduce the fluid, increase the flow of tears from the eye or both, studies show only 56 percent of patients use the drops every day. If doctors need to inject medicine into the eye for other conditions, they routinely use a hypodermic needle, but that can be uncomfortable for the patient. Now, incredibly tiny needles, about...

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